diff --git a/setup.py b/setup.py
index 86eb2d41d..52ffac019 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@
     "packaging >= 14.3",
     "protobuf >= 3.12.0",  # For the legacy proto-based types.
     "python-dateutil >= 2.7.2, <3.0dev",
-    "pyarrow >= 3.0.0, < 8.0dev",
+    "pyarrow >= 3.0.0, < 9.0dev",
     "requests >= 2.18.0, < 3.0.0dev",
 ]
 extras = {